| 摘要 |
PURPOSE:To stably feed solid particles by joining all parts or a part of a medium for fluidization to the solid particles in a feed system of the solid particles for a raw material and feeding the mixture to a mill. CONSTITUTION:In a feed system for feeding solid particles to a mill 14, all parts or a part of a medium for fluidization to be introduced into the mill 14 is joined to the solid particles and the mixture is introduced into the mill 14. For example, coal 1 is crushed with a crusher 2 and fed into the mill 14 with a screw feeder 5 and on the other hand, water 7 which is the medium necessary for slurring is fed to a hopper 3 via a flowmeter 8b and a buffer tank 10 or the like and furthermore an additive 12 such as a dispersant important for imparting fluidity is introduced into the buffer tank 10 to mix it with water 7 and also the mixture is directly introduced into the mill 14 through a nozzle 13 via a flowmeter 8c. As a result, coal particles can be stably fed to the inside of the mill 14. |
